The week's best photos

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In this picture taken on Tuesday, Jan. 1, 2013, a citizen journalism image provided by Lens Young Homsi, which has been authenticated based on its contents and other AP reporting, a Free Syrian Army fighter wears as a Santa Claus suit and holds his AK-47, right, as he directs a civilian man, in the old city of Homs, Syria. (AP Photo/Lens Young Homsi)